[INFO] cloning repository Cdayz/game_of_life
[INFO] running `"git" "clone" "--bare" "git://github.com/Cdayz/game_of_life.git" "work/cache/sources/gh/Cdayz/game_of_life"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Cdayz/game_of_life'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Cdayz/game_of_life" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Cdayz/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Cdayz/game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Cdayz/game_of_life" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Cdayz/game_of_life"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Cdayz/game_of_life'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 70b2da72b67e45bdca0cde10f0d0ecd401d2491a
[INFO] sha for GitHub repo Cdayz/game_of_life: 70b2da72b67e45bdca0cde10f0d0ecd401d2491a
[INFO] validating manifest of Cdayz/game_of_life on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Cdayz/game_of_life on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Cdayz/game_of_life
[INFO] finished frobbing Cdayz/game_of_life
[INFO] frobbed toml for Cdayz/game_of_life written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Cdayz/game_of_life/Cargo.toml
[INFO] started frobbing Cdayz/game_of_life
[INFO] finished frobbing Cdayz/game_of_life
[INFO] frobbed toml for Cdayz/game_of_life written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Cdayz/game_of_life/Cargo.toml
[INFO] crate Cdayz/game_of_life already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Cdayz/game_of_life against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Cdayz/game_of_life:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 49356eb57ae002c73e0a18a00be33a6719b32aa8f47947a851b57e9a9c60931a
[INFO] running `"docker" "start" "-a" "49356eb57ae002c73e0a18a00be33a6719b32aa8f47947a851b57e9a9c60931a"`
[INFO] [stderr]     Checking game_of_life v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/life.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 if x < 0 || x > self.board.len() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/life.rs:46:20
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 if y < 0 || y > self.board[0].len() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/life.rs:43:20
[INFO] [stderr]    |
[INFO] [stderr] 43 |                 if x < 0 || x > self.board.len() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_comparisons)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/life.rs:46:20
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 if y < 0 || y > self.board[0].len() {
[INFO] [stderr]    |                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `"docker" "inspect" "49356eb57ae002c73e0a18a00be33a6719b32aa8f47947a851b57e9a9c60931a"`
[INFO] running `"docker" "rm" "-f" "49356eb57ae002c73e0a18a00be33a6719b32aa8f47947a851b57e9a9c60931a"`
[INFO] [stdout] 49356eb57ae002c73e0a18a00be33a6719b32aa8f47947a851b57e9a9c60931a